§ 20-4-145 — Simultaneous proceedings

(a) A tribunal of this state may exercise jurisdiction to
establish a support order if the petition or comparable pleading
is filed after a pleading is filed in another state or a foreign
country only if:
(i) The petition or comparable pleading in this state
is filed before the expiration of the time allowed in the other
state or the foreign country for filing a responsive pleading
challenging the exercise of jurisdiction by the other state or
the foreign country;
(ii) The contesting party timely challenges the
exercise of jurisdiction in the other state or the foreign
country; and
(iii) If relevant, this state is the home state of
the child.
(b) A tribunal of this state may not exercise jurisdiction
to establish a support order if the petition or comparable
pleading is filed before a petition or comparable pleading is
filed in another state or a foreign country if:
(i) The petition or comparable pleading in the other
state or foreign country is filed before the expiration of the
time allowed in this state for filing a responsive pleading
challenging the exercise of jurisdiction by this state;
(ii) The contesting party timely challenges the
exercise of jurisdiction in this state;
(iii) If relevant, the other state or foreign country
is the home state of the child.